At the same time electro-osmotic drag, back diffusion, hydraulic permeation and net water transport coefficients and water content in the membrane increased rapidly, while proton transport resistance decreased, which improved the performance of PEM fuel cells.

  • 增大电池的操作压力,电渗拉力系数、反扩散系数、水力渗透系数、水净迁移系数和质子膜的含水量增加,而质子传递阻力下降,使燃料电池的性能得到了提高。
  • 来源:互联网摘选更新时间:2025-01-20 12:36:27

  • 重点词汇
  • permeationn.渗入,透过;
  • performancen.表演;表现,业绩,性能;执行,做;麻烦事;
  • fueln.燃料;刺激物;
  • same time同时;
  • atprep. 在(某时间或时刻);在(学习或工作地点);在(某处);在…岁时;向;以,达;处于最佳(或最差等)状态;在…方面;以…的方式;从事于,忙于;因为,由于;应…(而)
  • resistancen.抵抗;阻力;抗力;电阻;
  • rapidlyadv.快速地,迅速地;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • protonn.[物]质子;
  • whichpron.哪一个;(…的)那个;
  • 相关例句
1、

A study on horizontal eddy diffusion in the surface water of the northeastern South China Sea Based on~ ( 228) ra tracer

南海东北部表层水体水平涡动扩散的~(228)Ra示踪研究

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2、

It has been analysed that liquid flow pattern and liquid crosswise eddy diffusion influence on efficiency of bubble tray.

本文分析了液相流动形态及液相横向扩散对鼓泡型塔板板效率的影响。

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3、

This cause serious pollution problems because mass is transferred less rapidly by molecular diffusion than by eddy diffusion.

这些引起了严重的污染问题,因为通过分子扩散的传质比涡流扩散的要慢。

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4、

In general, however, there is a big limitation on growth of productive forces and economy by a technological innovation itself. Only with technological innovation diffusion, the potential economic benefits would be maximized.

然而,一项技术创新本身对社会经济的影响和社会生产力的提高存在一定的局限性,只有借助于扩散,技术创新的经济效益才能最大限度地发挥出来。

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5、

The results show that the value of diffusion and absorption potential ( E da) increases when the ratio of formation water salinity to mud salinity ( C w/ C m) increases.

结果表明:(1)扩散吸附电位Eda随地层水矿化度与泥浆滤液矿化度比值(Cw/Cm)的增大而增大。

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6、

The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

中子皮及中子分布弥散度对核势的影响

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7、

Only by way of diffusion its potential economic benefit can be realized to enhance economic system evolution and upgrading.

但是一项技术创新本身,对经济的影响和社会生产力的提高是有限的,只有通过扩散才能充分发挥其潜在的经济效益,从而促进技术经济系统进化和高级化。

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9、
10、

This potential consists of the Donnan potential on two sides and diffusion potential in membrane phase.

该电位包括膜两侧的Donnan电位和膜相中的扩散电位。

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11、

Turbulent energy is transported by convection, turbulent diffusion and pressure diffusion.

湍能主要是通过对流、湍流扩散和压力扩散进行输运;

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12、

The Intelligent Diffusion Silicon Pressure Transmitter Based on HART Protocol

基于HART协议的智能扩散硅压力变送器

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13、

FMECA Analysis of the Technology Process of Diffusion Silicon Pressure Transducer

扩散硅压力传感器工艺过程的FMECA分析

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14、

Modeling the Stress Calculation of the Diffusion Silicon Pressure Sensor

扩散硅压力传感器应力计算建模

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15、

Automatic Test and Compensation System Design of Diffusion Silicon Pressure Sensor

扩散硅压力传感器自动测试补偿系统设计

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16、

The SiC/ Al laminated graded composites were fabricated by vacuum hot-pressure method, and the effective joining among the composites of different volume fraction of SiC particles was realized by heat diffusion pressure.

用真空热压法制备了SiC Al层状梯度复合材料;采用热压扩散工艺,实现了不同SiC含量的复合材料间的有效连接。

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17、

A silicon diffusion pressure sensor is used to measure vacuum degree of chuck table to ensure that wafer is firmly chucked during grinding.

真空吸盘真空度的测量使用扩散硅压力传感器,实时测量出真空度的大小,保证硅片在加工过程中可靠夹紧。

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19、

Covered the porous membrane in the evaporation pipe, the diffusion processes divided into two parts, one for free diffusion into the free gas. the other for a period of diffusion into porous membrane.

即在蒸发管管口粘覆被测多孔介质,将扩散质组分通过扩散组分的扩散分为两段,一段为通过静止气体的自由扩散,另一段为通过多孔介质的扩散。

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20、

The sand in the bags has the principal task of guaranteeing continuity of contact in the material without impeding the free diffusion of the compressed air.

袋中砂的主要目的是在保证材料的连续接触而不妨碍压缩空气的自由扩散。

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